CN108532466A - A kind of bridge pier over-form construction technique - Google Patents
A kind of bridge pier over-form construction technique Download PDFInfo
- Publication number
- CN108532466A CN108532466A CN201810376333.2A CN201810376333A CN108532466A CN 108532466 A CN108532466 A CN 108532466A CN 201810376333 A CN201810376333 A CN 201810376333A CN 108532466 A CN108532466 A CN 108532466A
- Authority
- CN
- China
- Prior art keywords
- exterior sheathing
- lower layer
- layer
- upper layer
- template
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention provides a kind of bridge pier over-form construction techniques, belong to technical field of bridge construction.A kind of bridge pier over-form construction technique, including：Inner template and lower layer's exterior sheathing are supported on cushion cap top, upper layer exterior sheathing is supported on lower layer's exterior sheathing and connect with lower layer exterior sheathing；Using fixing bracket system as support, inner template, lower layer's exterior sheathing and upper layer exterior sheathing are fixed on fixing bracket system, inner template is enclosed with lower layer's exterior sheathing, upper layer exterior sheathing and pours chamber.By concreting in pouring intracavitary；When concrete reaches preset strength, remove inner template and lower layer's exterior sheathing positioned at lower layer, inner template is promoted to along its short transverse on molding concrete block, lower layer's exterior sheathing is promoted on the exterior sheathing of upper layer and is docked with upper layer exterior sheathing, lower layer's exterior sheathing is fixed on fixing bracket system, new chamber is poured so that being formed between inner template and upper layer exterior sheathing, lower layer's exterior sheathing.Wherein, template input amount is few, and utilization rate is higher.
Description
Technical field
The present invention relates to technical field of bridge construction, in particular to a kind of bridge pier over-form construction technique.
Background technology
With the rapid development of traffic and being showing improvement or progress day by day for bridge technology, modern bridge is gradually sent out to large span direction
Exhibition.Currently, the method for Bridge Beam pier template construction has slding form operation, climbing formwork for construction, sliding turn over to be turned in conjunction with construction in conjunction with constructing, climbing
Deng.
Invention content
The object of the present invention is to provide a kind of bridge pier over-form construction techniques.
The invention is realized in this way：
A kind of bridge pier over-form construction technique, including：
Inner template and lower layer's exterior sheathing are supported on cushion cap top, by upper layer exterior sheathing be supported on lower layer's exterior sheathing and with
Upper layer exterior sheathing connection；Using fixing bracket system as support, inner template, lower layer's exterior sheathing and upper layer exterior sheathing are fixed on
Fixing bracket system, inner template are enclosed with lower layer's exterior sheathing, upper layer exterior sheathing and pour chamber；
By concreting in pouring intracavitary；
When concrete reaches preset strength, inner template and lower layer's exterior sheathing positioned at lower layer are removed, by inner template along it
Short transverse is promoted on molding concrete block, and lower layer's exterior sheathing is promoted on the exterior sheathing of upper layer and lower layer's exterior sheathing pair
It connects, lower layer's exterior sheathing is fixed on fixing bracket system, so that shape between inner template and upper layer exterior sheathing, lower layer's exterior sheathing
Cheng Xin's pours chamber.
Further, in an embodiment of the present invention：
Fixing bracket system includes positioned at the platform for pouring more pre-buried support tubes of intracavitary, being supported on support tube, installs
Elevating mechanism and interior mould bases component, outer mould bases component in platform, outer mould bases component be configured to fixed lower layer's exterior sheathing and
Upper layer exterior sheathing, interior mould bases component are configured to fixed inner template.
Further, in an embodiment of the present invention：
Outer mould bases component includes crossbeam and the outrigger that is connect with crossbeam, is provided with mounting hole on outrigger, passes through fixing piece
Across mounting hole is held in lower layer's exterior sheathing, lower layer's exterior sheathing and upper layer exterior sheathing are fixed on outrigger by upper layer exterior sheathing.
Further, in an embodiment of the present invention：
Hoisting mechanism is installed, hoisting mechanism is configured to promote interior mould bases component, and interior mould bases component includes interior on crossbeam
Mould bases and lead screw, lead screw are held in inner template across interior mould bases and inner template are fixed on interior mould bases.
Further, in an embodiment of the present invention：
Elevating mechanism is top-hung wall elevator, and lower layer's exterior sheathing is connected to steel wire rope on the suspension hook of elevator, is removed
It will be outside lower layer using elevator to pier shaft extrapolation moving platen to the gap location of pier shaft and outrigger positioned at lower layer's exterior sheathing of lower layer
Template is promoted on the exterior sheathing of upper layer and is docked with upper layer exterior sheathing.
Further, in an embodiment of the present invention：
Fixing bracket system further includes hydraulic jack, and hydraulic jack is fixed on support tube, the power of hydraulic jack
Output shaft is connect with crossbeam；
Lower layer's exterior sheathing is promoted to after being docked with upper layer exterior sheathing on the exterior sheathing of upper layer, lower layer's exterior sheathing is carried out interim
It is fixed, crossbeam and outrigger are promoted using hydraulic jack, lower layer's exterior sheathing is then fixed on outrigger.
Further, in an embodiment of the present invention：
After outrigger is promoted, the pre-buried support tube of spreading.
Further, in an embodiment of the present invention：
Support tube is connected by straight screw sleeve or overlap welding connects.
Further, in an embodiment of the present invention：
Outrigger includes first layer, the second layer and third layer, and first layer is cleared up for concrete surface and health operation layer, and second
Layer is installation, concrete vibrator operation layer, and third layer is reinforcement installation, concreting and promotion operation layer.
Further, in an embodiment of the present invention：
When carrying out concreting, concrete slurry is promoted using hoist engine, by concrete slurry by hollow pier
Partition wall is distributed to side wall.
The beneficial effects of the invention are as follows：The bridge pier over-form construction technique of the disclosure, template input amount is few, and utilization rate is higher.
Inner template, the first template and the second template are fixed using fixing bracket system, are not necessarily to pull rod, and fixed function is preferable.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of embodiment of the present invention
Attached drawing be briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not to be seen as
It is the restriction to range, it for those of ordinary skill in the art, without creative efforts, can be with root
Other relevant attached drawings are obtained according to these attached drawings.
Fig. 1 is the bridge pier over-form construction process flow chart of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the bridge pier over-form construction of the embodiment of the present invention；
Fig. 3 is the holder of the embodiment of the present invention and the fixation schematic diagram of the first exterior sheathing
Fig. 4 is the interior mould bases of the embodiment of the present invention and the structural schematic diagram of inner template；
Fig. 5 is the structural schematic diagram of the hollow pier of the embodiment of the present invention.
Icon：110- cushion caps top；111- inner templates；112- pours chamber；121- lower layers exterior sheathing；The upper layers 122- exterior sheathing；
200- fixing bracket systems；210- support tubes；220- platforms；230- elevating mechanisms；241- crossbeams；242- fixing pieces；Outside 243-
Frame；243a- first layers；The 243b- second layers；243c- third layer；244- hoisting mechanisms；251- interior mould bases；252- lead screws；260-
Hydraulic jack；270- hoist engines；280- chutes；300- hollow piers；310- mid-boards；320- side walls.
Specific implementation mode
To keep the purpose, technical scheme and advantage of embodiment of the present invention clearer, implement below in conjunction with the present invention
The technical solution in embodiment of the present invention is clearly and completely described in attached drawing in mode, it is clear that described reality
The mode of applying is some embodiments of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
The every other embodiment that domain those of ordinary skill is obtained without creative efforts, belongs to the present invention
The range of protection.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement guarantor below
The scope of the present invention of shield, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment in the present invention, ability
The every other embodiment that domain those of ordinary skill is obtained without creative efforts, belongs to the present invention
The range of protection.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it is to be understood that, the instructions such as term "center", "upper", "lower", "inner", "outside"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, does not indicate or imply the indicated equipment or element must have a particular orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be direct phase
Even, can also can be indirectly connected through an intermediary that the interaction of the connection or two elements inside two elements is closed
System.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood as the case may be
Meaning.
Embodiment
The present embodiment provides a kind of bridge pier over-form construction techniques, and construction period is very fast, please refers to Fig. 1.
Wherein, bridge pier over-form construction technique is mainly carried out using bridge pier over-form construction system,
Specifically, bridge pier over-form construction technique includes：
S1：Surveying and locating
Surveyor goes out 4 corner locations of pier shaft according to bridge triangle control point in binder top mark, determines the outer of pier shaft
Sideline；The position of first segment pier shaft outer edge 30cm is marked simultaneously.
In Bridge Pier Construction, degree control is vital, is wanted before template has found after-pouring concrete every time
To pier shaft verticality inspection, find to need to correct in time when deviation.This sideline is to control template deviation and pier shaft verticality.
In the present embodiment, the axis of bridge pier and the measurement of higher degree are measured with total powerstation.
S2：The binding of reinforcing bar
Before steel bar meter, rebar surface is cleaned out, without oil stain, coat of paint, squama rust etc., conscientiously check reinforcing bar drawing,
Consider turn over a liter form height, difficulty of construction, splice are controlled the size, it is accurate after can blanking, blanking is stringent
According to design and code requirement, ensure the structure size of framework of steel reinforcement.
Stiff skeleton is processed, and plans an angle steel skeleton platform for making 220 at the scene, amplifies sample according to design drawing, so
It is promoted using cantilever crane, welding processing, is docked with lower section skeleton afterwards.
Pier shaft main reinforcement diameter 22mm or more is connected using straight screw sleeve, other reinforcing bars are connected using overlap welding, reinforcing bar
Connection should be inspected by random samples by code requirement, the qualified rear of laboratory's sampling observation can be used.In same section, splice sum
It must not exceed the 50% of reinforcing bar radical, connector spacing is at least staggered 0.5~1.5m.The overlap welding length of reinforcing bar will meet specification and want
It asks.
S3：Formwork erection
(1) dabbing is carried out to pier shaft connecting portion concrete surface after pier shaft setting-out and before formwork erection, it is floating cuts surface
Slurry and loose concrete, and clean out, moistening of sprinkling water before concreting.
(2) template is before use, first check template quality, predominantly the appearance and size of template, panel whether there is or not deflection,
Panel whether there is or not uneven, hole position whether to just, whether plate face and plate lateral deflection meet the requirements.To template surface, squama become rusty into
Row polishing is cleaned out, and is then coated with mould oil, mould oil should not be too thick.
(3) inner template 111 and lower layer's exterior sheathing 121 are supported on cushion cap top 110, upper layer exterior sheathing 122 is supported on
It is connect on lower layer's exterior sheathing 121 and with lower layer exterior sheathing 121；Using fixing bracket system 200 as support, by inner template 111,
Lower layer's exterior sheathing 121 and upper layer exterior sheathing 122 are fixed on fixing bracket system 200, inner template 111 and lower layer's exterior sheathing 121, on
Layer exterior sheathing 122, which is enclosed, pours chamber 112, please refers to Fig. 2.
Wherein, the height of lower layer's exterior sheathing 121 and the high 2.5m of upper layer exterior sheathing 122, inner template 111 are more than lower layer's external mold
Plate 121.In the present embodiment, the height of inner template 111 is the sum of the height of lower layer's exterior sheathing 121 and upper layer exterior sheathing 122.It can
The part that is higher by using inner template 111 and lower layer's exterior sheathing 121 or upper layer exterior sheathing 122, which are formed, new pours chamber 112.Consider
To the stressed effect of lower layer's exterior sheathing 121 and upper layer exterior sheathing 122, template long side is made of 2 pieces of punching blocks, short side 3 pieces of punching blocks；
Panel uses 6mm steel plates, back rib that the steel plate of 10mm thickness 5cm wide, backrest is used to use the elongated channel steel ribbed stiffeners of 160mm.It needs
Illustrate, in other embodiments, these parameters can be all adjusted according to actual conditions.
Wherein, fixing bracket system 200 includes：Positioned at pouring more support tubes 210 pre-buried in chamber 112, be supported on
Platform 220, hydraulic jack 260, the elevating mechanism 230 and interior mould bases component, external mold mounted on platform 220 of stay tube 210
Frame component, outer mould bases component is configured to fixed lower layer exterior sheathing 121 and upper layer exterior sheathing 122, interior mould bases component are configured to
Fixed inner template 111.Wherein, elevating mechanism 230 is top-hung wall elevator.Wherein, support tube 210 is 4 a diameter of 50mm
Steel pipe.It should be noted that the diameter of steel pipe does not limit, can be selected as needed.
Outer mould bases component includes crossbeam 241 and the outrigger being connect with crossbeam 241 243, and installation is provided on outrigger 243
Hole is held in lower layer's exterior sheathing 121, upper layer exterior sheathing 122 by 121 and of lower layer's exterior sheathing by fixing piece 242 across mounting hole
Upper layer exterior sheathing 122 is fixed on outrigger 243.Wherein, fixing piece 242 is leading screw.Please refer to Fig. 2 and Fig. 3.
Wherein, outrigger 243 uses 150mm × 100mm, the square steel of thickness 7mm to be welded to form.Including first layer 243a,
Two layers of 243b and third layer 243c, first layer 243a be concrete surface clear up and health operation layer, second layer 243b be installation,
Concrete vibrator operation layer, third layer 243c are reinforcement installation, concreting and promotion operation layer.Promote operation layer peripheral hardware
Protective fence.
Hoisting mechanism 244 is installed, hoisting mechanism 244 is configured to promote interior mould bases component, interior mould bases group on crossbeam 241
Part includes interior mould bases 251 and lead screw 252, and lead screw 252 is held in inner template 111 across interior mould bases 251 and is fixed on inner template 111
Interior mould bases 251.Wherein, interior mould bases 251 are welded to form using ∠ 75mm × 8mm angle steel.Wherein hoisting mechanism 244 is to pull calabash
Reed.Please refer to Fig. 2 and Fig. 4.
Hydraulic jack 260 is fixed on support tube 210, and the power output shaft of hydraulic jack 260 is connect with crossbeam 241.
In addition, since there are bridge pier multiple faces, lower layer's exterior sheathing 121 and upper layer exterior sheathing 122 to correspond to the appearance of bridge pier
Face, inner template 111 correspond to the inner surface of bridge pier.Lower layer's exterior sheathing 121 is outside the circumferentially disposed multiple of bridge pier, adjacent lower layer
Seam between template 121 and between adjacent upper layer exterior sheathing 122 pastes one layer of sponge double faced adhesive tape as sealing, to prevent leak-stopping
Slurry, and fastened using bolt.It is strictly controlled in assembly between adjacent forms between gap, plate face difference of height, adjacent forms
Mouth height difference.Template top hangs vertical line with the outer sidelines 30cm of pier shaft and carries out bias correction, while releasing template top pier shaft 4 with total powerstation
Corner location.
S4：Concreting
Template can carry out concreting after mixing up passed examination.Concrete uses blending station central mix, concrete
Transport vehicle is transported to construction site, strictly controls the slump, promotes hopper using hoist engine 270, the method for laying chute 280 enters
Mould.Chute 280 is laid since 243 side of outrigger to 300 mid-board 310 of hollow pier, then is laid extremely by the dispersion of mid-board 310
Side wall 320.Please refer to Fig. 2 and Fig. 5.
By concreting in pouring in chamber 112；Concreting divides 30cm mono- layer, and cloth is uniform, and speed should not mistake
Soon；It is combined and is vibrated with 50 type plug-in type vibrating sticks using attached vibrator, vibrating head wants F.F. to go out slowly when vibrating, and everywhere shakes
It answers to blow slowly in vibration after dynamic and proposes shock club, vibrating head collision slab, reinforcing bar and other built-in fittings should be avoided；To each
Position of vibrating must vibrate and stop sinking to concrete, bubble of no longer emerging, until flat, bleeding is presented in surface.Concrete pours
During building, special messenger is arranged to nurse template, when template occurs deforming or timely processing when bolt looseness.Wherein, vibrator is placed in
The second layer 243b of outrigger 243.
S5：Overmolded
When concrete reaches preset strength, retains the upper layer exterior sheathing 122 positioned at upper layer and do not tear open, by upper layer exterior sheathing
122, as the fixed knot and load part for turning over rising mould plate, remove inner template 111 and lower layer's exterior sheathing 121 positioned at lower layer, utilize
It is right with upper layer exterior sheathing 122 that lower layer's exterior sheathing 121 is promoted on upper layer exterior sheathing 122 by the top-hung wall elevator on platform 220
It connects.
When lower layer's exterior sheathing 121 is lifted, promotion is connected to steel wire rope in the center suspension centre of lower layer's exterior sheathing 121
On the suspension hook of machine, with the loosening tools template such as crowbar.Extrapolate moving platen to 1.5m to pier shaft, keep worker carry out template cleaning,
It polishes, the operating space of brush releasing agent.Moving platen is extrapolated to the gap location of pier shaft and outrigger 243 to pier shaft again, utilizes platform 220
On top-hung wall elevator lower layer's exterior sheathing 121 be promoted on upper layer exterior sheathing 122 docked with upper layer exterior sheathing 122, to
So that formed between inner template 111 and upper layer exterior sheathing 122, lower layer's exterior sheathing 121 it is new pour chamber 112, realize turning over for template
It rises.
Wherein, steel wire rope should be vertical and as close to template, avoids when form removal template from tilting and shakes excessive, causes to endanger
Danger is also prevented from template and causes template deformation and damage pier shaft visual concrete quality with pier shaft collision.
S6：Support lift
It after lower layer's exterior sheathing 121 is turned over and risen, is fixed temporarily, starts hydraulic jack 260, hydraulic jack
260 drive crossbeams 241 and outrigger 243 are promoted, during crossbeam 241 rises, the hoisting mechanism 244 on crossbeam 241
Also it is promoted together, hoisting mechanism 244 drives the interior mould bases component being attached thereto and inner template 111 to be promoted to molding coagulation together
On soil block.Then the mounting hole for recycling fixing piece 242 to pass through outrigger 243 is held in lower layer's exterior sheathing 121, to the first mould
Plate is installed and is fixed.
Piece is handled in time after lower layer's exterior sheathing 121 is in place, verticality is adjusted, is controlled successively, often
Secondary cycle template turns over rising tune and just checks 4 angle points of pier shaft with total powerstation afterwards.When pouring next segment concrete, a upper segment is poured
The pier shaft concrete built curing shrinkage, produces certain gap between the second casting formwork and concrete of load, can make
It stitches at section and is leaked under faulting of slab ends and cement mortar；Therefore often save template upper and lower position setting wedge mouth in template construct and connect, pouring coagulation
It checks that lead screw 252 and fixing piece 242 fasten situation before native, suitably reduces the methods of slump when pouring first layer 243a concrete
To reduce section seam.
S7：Concrete curing
After template turns over liter, concrete surface is cleared up in time, and covered rearing with plastic film is used in combination, health of sprinkling water.In first layer 243a
Water pipe is wound, water pipe rolls an aperture towards concrete surface direction 10cm spacing, and high-pressure hydraulic pump is connected with water pipe, is sprayed per half an hour
Once, it is ensured that concrete surface moistens and do not stay health washmarking.
It is carried out it should be noted that the step of concreting, overmolded, support lift and concrete curing is cycle.
To sum up, the bridge pier over-form construction technique of the present embodiment carries out lifting bracket using hydraulic jack 260, is not necessarily to tower
It hangs, reduces the security risk of tower crane installation and operation；Template less investment, construction period block, utilization rate are higher；Using outrigger
243 are fixed correction, are not necessarily to pull rod, are equipped with attached vibrator and carry out smashing material, improve hollow pier presentation quality.Also, it should
Bridge pier over-form construction technique is few, at low cost compared with slding form operation, climbing formwork for construction personnel equipment's input amount.Can directly be constructed bent cap, branch
Seat cushion stone, system entire lowering, ferry construction are convenient after the completion.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for this field
For technical staff, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of bridge pier over-form construction technique, which is characterized in that including：
Inner template and lower layer's exterior sheathing are supported on cushion cap top, by upper layer exterior sheathing be supported on lower layer's exterior sheathing and with
Lower layer's exterior sheathing connection；Using fixing bracket system as support, by the inner template, lower layer's exterior sheathing and described
Upper layer exterior sheathing is fixed on the fixing bracket system, and the inner template is enclosed with lower layer's exterior sheathing, the upper layer exterior sheathing
It closes to be formed and pours chamber；
Concreting is poured into intracavitary in described；
When concrete reaches preset strength, the inner template and lower layer's exterior sheathing positioned at lower layer are removed, it will be described interior
Template is promoted to along its short transverse on molding concrete block, and lower layer's exterior sheathing is promoted on the upper layer exterior sheathing
Docked with the upper layer exterior sheathing, lower layer's exterior sheathing be fixed on the fixing bracket system so that inner template with
What formation was new between the upper layer exterior sheathing, lower layer's exterior sheathing pours chamber.
2. bridge pier over-form construction technique according to claim 1, which is characterized in that the fixing bracket system includes being located at
The platform for pouring more pre-buried support tubes of intracavitary, being supported on the support tube, mounted on platform elevating mechanism and
Interior mould bases component, outer mould bases component, the outer mould bases component are configured to fix lower layer's exterior sheathing and the upper layer external mold
Plate, the interior mould bases component are configured to fix the inner template.
3. bridge pier over-form construction technique according to claim 2, which is characterized in that the outer mould bases component include crossbeam with
And the outrigger being connect with the crossbeam, mounting hole is provided on the outrigger, is held in across the mounting hole by fixing piece
Lower layer's exterior sheathing and the upper layer exterior sheathing are fixed on the outrigger by lower layer's exterior sheathing, the upper layer exterior sheathing.
4. bridge pier over-form construction technique according to claim 3, which is characterized in that be equipped with elevator on the crossbeam
Structure, the hoisting mechanism are configured to be promoted the interior mould bases component, and the interior mould bases component includes interior mould bases and lead screw, described
Lead screw is held in the inner template across the interior mould bases and the inner template is fixed on the interior mould bases.
5. bridge pier over-form construction technique according to claim 4, which is characterized in that the elevating mechanism is promoted for top-hung wall
Lower layer's exterior sheathing is connected to steel wire rope on the suspension hook of the elevator by machine, is removed outside the lower layer of lower layer
Template will be outside the lower layer using the elevator to pier shaft extrapolation moving platen to the gap location of the pier shaft and the outrigger
Template is promoted on the upper layer exterior sheathing and is docked with the upper layer exterior sheathing.
6. bridge pier over-form construction technique according to claim 5, which is characterized in that
The fixing bracket system further includes hydraulic jack, and the hydraulic jack is fixed on the support tube, the hydraulic pressure
The power output shaft of jack is connect with the crossbeam；
Lower layer's exterior sheathing is promoted to after being docked with the upper layer exterior sheathing on the upper layer exterior sheathing, it will be outside the lower layer
Template is fixed temporarily, and is promoted the crossbeam and the outrigger using the hydraulic jack, then will be described under
Layer exterior sheathing is fixed on the outrigger.
7. bridge pier over-form construction technique according to claim 6, which is characterized in that after being promoted the outrigger, connect
The long pre-buried support tube.
8. the bridge pier over-form construction technique according to claim 2 or 7, which is characterized in that support tube passes through straight screw sleeve
Connection or overlap welding connection.
9. bridge pier over-form construction technique according to claim 3, which is characterized in that the outrigger includes first layer, second
Layer and third layer, the first layer are that concrete surface is cleared up and health operation layer, the second layer are installation, concrete vibrating
Device operation layer, the third layer are reinforcement installation, concreting and promotion operation layer.
10. bridge pier over-form construction technique according to claim 1, which is characterized in that when carrying out concreting, utilize volume
It raises machine and promotes concrete slurry, the concrete slurry is distributed by the mid-board of hollow pier to side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810376333.2A CN108532466A (en) | 2018-04-24 | 2018-04-24 | A kind of bridge pier over-form construction technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810376333.2A CN108532466A (en) | 2018-04-24 | 2018-04-24 | A kind of bridge pier over-form construction technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108532466A true CN108532466A (en) | 2018-09-14 |
Family
ID=63477623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810376333.2A Pending CN108532466A (en) | 2018-04-24 | 2018-04-24 | A kind of bridge pier over-form construction technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108532466A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109610303A (en) * | 2018-11-13 | 2019-04-12 | 柳州煜乾机械装备股份公司 | A kind of hollow thin-walled high pier internal model constructing device and construction method |
| CN109680706A (en) * | 2018-12-11 | 2019-04-26 | 中交一公局土木工程建筑研究院有限公司 | Assembled bearing platform pier pile full scale model and crack pouring construction process using same |
| CN109826104A (en) * | 2019-03-19 | 2019-05-31 | 中国十七冶集团有限公司 | A kind of concrete pouring construction method of pier stud overmolded seam crossing |
| CN109944164A (en) * | 2019-03-13 | 2019-06-28 | 中建市政工程有限公司 | Self-elevating hollow thin-wall pier roller die system and construction method thereof |
| CN110924677A (en) * | 2019-12-24 | 2020-03-27 | 荆门市佰思机械科技有限公司 | Climbing system of guide die turnover device |
| CN111188268A (en) * | 2019-12-31 | 2020-05-22 | 湖北省路桥集团有限公司 | Super-large cast-in-situ gravity type anchorage and construction method |
| CN113107202A (en) * | 2021-05-20 | 2021-07-13 | 中铁一局集团市政环保工程有限公司 | Hydraulic rollover construction equipment for ultrahigh rectangular chimney |
| CN114232480A (en) * | 2021-10-30 | 2022-03-25 | 山东高速工程建设集团有限公司 | High hollow pier group formwork turnover rapid construction method for viaduct bridge |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005113579A (en) * | 2003-10-09 | 2005-04-28 | Taisei Corp | Movable form support |
| CN202247703U (en) * | 2011-10-25 | 2012-05-30 | 贵州众达机电设备有限公司 | Sliding form turning device of hydraulic climbing frame for high pier |
| CN204385624U (en) * | 2014-12-12 | 2015-06-10 | 中交一公局厦门工程有限公司 | Semi-automatic rollover device |
| CN104695337A (en) * | 2015-01-26 | 2015-06-10 | 中交一公局厦门工程有限公司 | Self-lifting sliding and turnover construction system and construction method |
| CN105839543A (en) * | 2016-05-04 | 2016-08-10 | 中国十九冶集团有限公司 | Construction process for self-lifting outer frame turnover formwork of bridge high pier |
| CN106401173A (en) * | 2016-09-09 | 2017-02-15 | 镇江建工建设集团有限公司 | Sliding reverse formwork device and construction method thereof |
-
2018
- 2018-04-24 CN CN201810376333.2A patent/CN108532466A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005113579A (en) * | 2003-10-09 | 2005-04-28 | Taisei Corp | Movable form support |
| CN202247703U (en) * | 2011-10-25 | 2012-05-30 | 贵州众达机电设备有限公司 | Sliding form turning device of hydraulic climbing frame for high pier |
| CN204385624U (en) * | 2014-12-12 | 2015-06-10 | 中交一公局厦门工程有限公司 | Semi-automatic rollover device |
| CN104695337A (en) * | 2015-01-26 | 2015-06-10 | 中交一公局厦门工程有限公司 | Self-lifting sliding and turnover construction system and construction method |
| CN105839543A (en) * | 2016-05-04 | 2016-08-10 | 中国十九冶集团有限公司 | Construction process for self-lifting outer frame turnover formwork of bridge high pier |
| CN106401173A (en) * | 2016-09-09 | 2017-02-15 | 镇江建工建设集团有限公司 | Sliding reverse formwork device and construction method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 杜元勋: "双薄壁空心高墩外翻内滑模施工技术", 《城市建设理论研究（电子版）》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109610303A (en) * | 2018-11-13 | 2019-04-12 | 柳州煜乾机械装备股份公司 | A kind of hollow thin-walled high pier internal model constructing device and construction method |
| CN109680706A (en) * | 2018-12-11 | 2019-04-26 | 中交一公局土木工程建筑研究院有限公司 | Assembled bearing platform pier pile full scale model and crack pouring construction process using same |
| CN109944164A (en) * | 2019-03-13 | 2019-06-28 | 中建市政工程有限公司 | Self-elevating hollow thin-wall pier roller die system and construction method thereof |
| CN109826104A (en) * | 2019-03-19 | 2019-05-31 | 中国十七冶集团有限公司 | A kind of concrete pouring construction method of pier stud overmolded seam crossing |
| CN110924677A (en) * | 2019-12-24 | 2020-03-27 | 荆门市佰思机械科技有限公司 | Climbing system of guide die turnover device |
| CN111188268A (en) * | 2019-12-31 | 2020-05-22 | 湖北省路桥集团有限公司 | Super-large cast-in-situ gravity type anchorage and construction method |
| CN113107202A (en) * | 2021-05-20 | 2021-07-13 | 中铁一局集团市政环保工程有限公司 | Hydraulic rollover construction equipment for ultrahigh rectangular chimney |
| CN114232480A (en) * | 2021-10-30 | 2022-03-25 | 山东高速工程建设集团有限公司 | High hollow pier group formwork turnover rapid construction method for viaduct bridge |
| CN114232480B (en) * | 2021-10-30 | 2024-05-03 | 山东高速工程建设集团有限公司 | Quick construction method for turning over mould of bridge group of viaduct Gao Kongxin |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108532466A (en) | A kind of bridge pier over-form construction technique | |
| CN106592426B (en) | The construction method of transverse prestress overall with reinforced concrete bridge deck plate prefab-form system | |
| CN208280003U (en) | A kind of bridge pier over-form construction system | |
| CN104963289B (en) | A kind of abnormity pier stud mass concrete overall time pouring construction method | |
| CN202194317U (en) | Guide rail structure for cast-in-site concrete slope surface | |
| CN108330835A (en) | The construction method of setting bracket | |
| CN102937027A (en) | Construction method of edge top arch and bottom arch of concrete pouring tunnel | |
| CN107574762A (en) | A kind of construction method for strengthening Cast-in-situ Beam 0# block construction qualities | |
| CN110939052B (en) | Subway cover beam construction method | |
| CN108755421A (en) | Capping beam construction device and construction method | |
| CN104452591A (en) | Cast-in-place box beam construction technology applied to bridge constructions | |
| CN110093852A (en) | Shaped form bridge pier Construction technology of fair-faced concrete | |
| CN113202222A (en) | Construction method for assembled type superposed beam slab | |
| CN109989348A (en) | Cantilever formwork for concrete construction and construction method thereof | |
| CN207363251U (en) | A kind of track-type facilities for being used to control the pitched roof gradient and thickness | |
| CN107476567A (en) | It is a kind of to control the pitched roof gradient and the construction method and track-type facilities of thickness | |
| CN105951842A (en) | Raft lower reversed beam polystyrene board caul construction method | |
| CN104594633A (en) | Construction method and template structure for umbrella-shaped spatial curved-surface bare concrete | |
| CN108677722A (en) | Hollow High Pier with Thin Wall stub top section construction technology | |
| CN104846745B (en) | Urban high-pier support-free formwork turnover construction method | |
| CN108867398A (en) | A kind of construction method of bridge construction super-small space double limb pier stud | |
| CN108071194A (en) | A kind of cast-in-situ floor and thickness control of protection cover of rebar device and its construction technology | |
| CN114277672B (en) | Large-span prestressed concrete bent cap structure and construction method thereof | |
| CN110230414A (en) | A kind of assembled platform canopy and its installation method | |
| CN115890877A (en) | Adjustable diaphragm plate template and construction method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180914 |